2025 was a very sunny year. Due to the large amount of solar radiation, there was also a lot of evaporation. Together with the low precipitation, especially in spring, this resulted in a significant precipitation deficit. In The State of Our Climate, the KNMI describes the weather of 2025 and places it in the context of global climate change.
Browse The State of Our Climate (interactive pdf)
Warm Year
2025 was also a warm year. The average temperature in De Bilt in 2025 was 11.4°C. This places the year sixth among the warmest years since 1901, the start of the measurement series. For the first time, all ten warmest years fall within the current century, seven of which in the last ten years. In the first quarter of this century, the Netherlands has warmed by 1 degree.
Warm Summer
The summer of 2025, with an average temperature of 18.5°C, ranks fourth among the warmest summers in the measurement series. This temperature is not exceptional in the current climate and occurs approximately once every two years. In the cooler climates of the early twentieth and early nineteenth centuries, this temperature occurred once every twenty and once every thousand years, respectively.
Caribbean Netherlands
The Caribbean Netherlands is also warming. For example, 2025 was the second warmest year on Bonaire in the measurement series, after 2024. Moreover, there was little precipitation on Bonaire; 2025 is the third consecutive year to rank among the top ten driest years.
More about The State of Our Climate
The KNMI publishes The State of Our Climate annually at the end of January, around our anniversary. This report provides an overview of the weather in a climate perspective, both in the Netherlands and worldwide. View previous reports of The State of Our Climate. Current information about the climate can be found on the overview page Climate, in the climate dashboard, and in the weekly climate messages.